And always have good backups, especially when traveling. Loss and theft are serious risks. There have even been anecdotes of people having their laptops confisc

And always have good backups, especially when traveling. Loss and theft are serious risks. There have even been anecdotes of people having their laptops confiscated for long periods of time by government employees at borders for the silliest of reasons. Hardware is replaceable, but all the projects, notes, and things you've been working on for possibly years are not.